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zimovet [89]
3 years ago
6

Evaluate the expression.(21÷7) +6 + 3³​

Mathematics
1 answer:
spin [16.1K]3 years ago
8 0
Answer: 36.
Solve in order of PEMDAS - parentheses, exponents, multiplication, division, addition and subtraction. 21/7= 3. 3^3 is 3*3*3=27. 3+ 6 + 27= 36.
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In the haden company, the standard material cost for the silk used in making a dress is $27.00 based on three square feet of sil
ad-work [718]
To solve for the materials quantity variance, we have the formula below:
Materials Quantity Variance = (Actual Quantity Used * Standard Rate) - (Standard Quantity Allowed * Standard Rate)

The solution is shown below:
Materials Quantity Variance = ($9.20 - $9.00)*3400
Materials Quantity Variance = $680

The answer is $680.

5 0
4 years ago
Jason and Eddy are traveling from Jacksonville to Miami, which is a distance of 382 miles. According to the American Automobile
wolverine [178]

Answer:

The value is  v =  49.23 \  mph

Step-by-step explanation:

From the question we are told that

  The  distance from Jacksonville to Miami is  d  =  382 miles

  The  time it take to travel from Jacksonville to Daytona is  t_1  = 1 \ hour\ and\ 54\ minutes = 1 + \frac{54}{60} =  1.9 \  hours

  The  time it take to travel from Daytona Beach to Fort Pierce is t_2  = 2\ hours\ and\ 51\ minutes= 2 + \frac{51}{60} =  2.85 \  hours

    The  time it take to travel from Fort Pierce to West Palm Beach is  

t_3  = 1\ hour\ and\ 23\ minutes= 1 + \frac{23}{60} =  1.38 \  hours

     The  time it take to travel from West Palm Beach to Miami t_4  = 1\ hour\ and\ 38\ minutes= 1 + \frac{38}{60} =  1.63 \  hours

Generally the average speed is mathematically represented as

      v  =  \frac{d}{t_1 + t_2 +t_3 + t_4 }

=>   v  =  \frac{382}{1.9  + 2.85 +1.38 + 1.63 }

=>    v =  49.23 \  mph

   

6 0
3 years ago
FIRST ANSWER GETS BRAINLIEST!!<br> (sorry for the colors on the picture)
Karo-lina-s [1.5K]

It is the 3rd answer

8 0
3 years ago
Read 2 more answers
A rhombus has sides 10 cm long and an angle of 60 degrees. Find the distance between a pair of opposite sides.
natta225 [31]
<span>angle A + angle B = 180 degrees ... rhombus and h is the perpendicular distance between two parallelsides of the rhombus. ... The side length of the rhombus is equal to 10 feet. Find its area. ... A rhombus has 2 congruent opposite acute angles and two congruent ... area of rhombus = 2 (1 / 2) (10 feet) 2 sin (60 degrees)</span>
6 0
3 years ago
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Becky bought a magazine for $3.90, and the sales tax was 8.25%. How much sales tax did Becky pay on the magazine?
igor_vitrenko [27]

Answer:

32 cents

Step-by-step explanation:

Find 8.25 percent of 3.90:

0.0825*3.90 = 0.32

3 0
3 years ago
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